Poincaré complex diagonals |
| |
| Authors: | John R Klein |
| |
| Institution: | (1) Department of Mathematics, Wayne State University, Detroit, MI 48202, USA |
| |
| Abstract: | Let M be a Poincaré duality space of dimension d ≥ 4. In this paper we describe a complete obstruction to realizing the diagonal map M → M × M by a Poincaré embedding. The obstruction group depends only on the fundamental group and the parity of d.
The author was partially supported by the NSF. |
| |
| Keywords: | Primary 57P10 Secondary 55P91 |
| 本文献已被 SpringerLink 等数据库收录！ |
